Count the frequency of each word in a paragraph manually.

Difficulty: Medium

Phase: 6 · Mixed Logical Challenges

XP Reward: 20 XP

Topics: Mixed Logical Challenges, Medium

Supported Languages: Python, JavaScript, C, C++, Java

Problem Description

Given a sentence, count the frequency of each unique word in order of first appearance, format 'word: count'. Input Format: Read input from standard input (stdin). Output Format: Print the result to standard output (stdout).

Constraints

-10^9 <= N <= 10^9

Examples

Example 1

Input: apple orange apple banana orange apple

Output: apple: 3 orange: 2 banana: 1

Explanation: Sample execution for input apple orange apple banana orange apple